U-Bolt, Galvanized
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U-Bolt, Galvanized

U-bolts are bolts bent in the shape of a "U" with machine threads on both ends that nuts can be threaded onto in order to fasten the u-bolt. Since u-bolts have primarily been used to support and secure pipe, u-bolts sizes are call out by the size of the pipe. In addition to pipe, u-bolts have a wide range of uses such as securing tubing, roundbar, wood or steel posts, and can be embedded into concrete as anchor bolts. U-bolts are designed to be inserted into pre-drilled or punched holes. Made from carbon steel with a hot dip galvanized finish, which provides a corrosion resistant zinc coating.

Dimensional SpecificationsU-Bolt

U-Bolt dimensions
Pipe Size Diameter Threads
per Inch
Standard U-Bolts Long Tangent U-Bolts
Number Inside
Length
Inside
Width
Thread
Length
Inside
Length
Inside
Width
Thread
Length
D L C T L C T
1/4 1/4 20 1 1 1/4 9/16 3/4      
3/8 1/4 20 2 1 1/4 3/4 5/8      
1/4 20 3 2 1/4 3/4 1 1/2      
1/2 1/4 20 4 1 3/4 1 1 3 1/4 15/16 2 3/8
5/16 18 10 2 3/16 1 1 3/8      
3/8 16 17 2 1/4 1 1 1/4 3 1/4 15/16 2 3/8
3/4 1/4 20 5 2 1 1/8 1 3 5/16 1 1/8 2 3/8
1/4 20 6 2 1/4 1 1/4 1 1/4      
5/16 18 101 2 3/16 1 1/8 1      
3/8 16 18 2 1/4 1 1/4 1 1/4 3 5/16 1 1/8 2 3/8
1 1/4 20 7 2 3/4 1 1/2 1 3/8 3 7/16 1 3/8 2 3/8
5/16 18 11 2 3/16 1 3/8 1      
5/16 18 12 2 3/16 1 1/2 1      
3/8 16 19 2 1/2 1 1/2 1 1/4 3 7/16 1 3/8 2 3/8
1 1/4 1/4 20 8 3 1 3/4 1 3/8      
5/16 18 13 2 11/16 1 3/4 1 1/8      
3/8 16 20 2 3/4 1 3/4 1 1/8 3 3/4 1 11/16 2 1/2
1 1/2 1/4 20 9 3 1/4 2 1 3/8      
5/16 18 14 2 11/16 2 1      
3/8 16 21 2 5/8 2 1 1/4 4 2 2 1/2
2 1/4 20 902 3 3/16 2 1/2 1      
5/16 18 15 3 3/16 2 1/2 1      
3/8 16 22 3 1/8 2 1/2 1 1/4 4 1/2 2 7/16 2 1/2
2 1/2 5/16 18 16 3 11/16 3 1      
3/8 16 23 3 5/8 3 1 1/4      
1/2 13 25 4 1/2 3 1 5/8 5 1/4 2 15/16 3
3 3/8 16 24 4 1/8 3 1/2 1 1/4      
1/2 13 26 5 3 1/2 1 1/2 5 13/16 3 9/16 3
3 1/2 1/2 13 27 5 1/2 4 1 1/2 6 5/16 4 1/16 3
4 1/2 13 28 6 4 1/2 1 1/2 6 13/16 4 9/16 3
5 1/2 13 29 7 1/4 5 5/8 2 7 13/16 5 5/8 3
6 1/2 13 30 8 3/8 6 3/4 2 9 1/2 6 3/4 3 3/4
5/8 11   8 3/8 6 3/4 2 9 1/2 6 3/4 3 3/4
8 1/2 13 31 10 3/8 8 3/4 2 11 1/2 8 3/4 3 3/4
5/8 11   10 3/8 8 3/4 2 11 1/2 8 3/4 3 3/4
10 3/4 10         13 13/16 10 7/8 4
12 7/8 9         16 1/16 12 7/8 4 1/8
14 7/8 9         17 5/16 14 1/8 4 1/8
16 7/8 9         19 5/16 16 1/8 4 1/8
18 1 8         21 11/16 18 1/8 4 3/4
20 1 8         23 11/16 20 1/8 4 3/4
24 1 8         27 11/16 24 1/8 4 3/4
28 1 8         31 11/16 28 1/8 4 3/4
30 1 8         33 11/16 30 1/8 4 3/4
36 1 8         39 11/16 36 1/8 4 3/4
  1. All dimensions are in inches.
U-Bolt, Galvanized
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Thread Diameter Thread Pitch Pipe Diameter Size Item # Availability Price Quantity UOM
1/4 20 1/4 1 UBSG0250025 In Stock $0.88923/EA EA
1/4 20 3/8 2 UBSG0250037 In Stock $0.54362/EA EA
1/4 20 1/2 4 UBSG0250050 In Stock $0.93504/EA EA
1/4 20 3/4 5 UBSG0250075 In Stock $1.10881/EA EA
1/4 20 1 7 UBSG0250100 In Stock $1.12072/EA EA
1/4 20 1 1/4 8 UBSG0250125 In Stock $0.92142/EA EA
1/4 20 1 1/2 9 UBSG0250150 In Stock $1.30777/EA EA
1/4 20 2 902 UBSG0250200 In Stock $1.5522/EA EA
1/4 20 2 1/2 - UBSG0250250 In Stock $2.85757/EA EA
5/16 18 3/4 101 UBSG0310075 In Stock $1.20799/EA EA
5/16 18 1 11 UBSG0310100 In Stock $1.03589/EA EA
5/16 18 1 1/4 13 UBSG0310125 In Stock $1.19471/EA EA
5/16 18 1 1/2 14 UBSG0310150 In Stock $1.40281/EA EA
5/16 18 2 15 UBSG0310200 In Stock $1.49142/EA EA
3/8 16 1/2 17 UBSG0370050 In Stock $0.86548/EA EA
3/8 16 3/4 18 UBSG0370075 In Stock $0.99116/EA EA
3/8 16 1 19 UBSG0370100 In Stock $1.16796/EA EA
3/8 16 1 1/4 20 UBSG0370125 In Stock $1.12797/EA EA
3/8 16 1 1/2 21 UBSG0370150 In Stock $3.50703/EA EA
3/8 16 2 22 UBSG0370200 In Stock $2.93903/EA EA
3/8 16 2 1/2 23 UBSG0370250 In Stock $2.13933/EA EA
3/8 16 3 24 UBSG0370300 In Stock $2.08938/EA EA
3/8 16 4 - UBSG0370400 In Stock $3.6266/EA EA
1/2 13 2 1/2 25 UBSG0500250 In Stock $3.98117/EA EA
1/2 13 3 26 UBSG0500300 In Stock $4.08668/EA EA
1/2 13 3 1/2 27 UBSG0500350 3-5 Working Days $5.06685/EA EA
1/2 13 4 28 UBSG0500400 In Stock $6.33282/EA EA
1/2 13 5 29 UBSG0500500 In Stock $4.61987/EA EA
1/2 13 6 30 UBSG0500600 In Stock $6.71731/EA EA